This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A283464 #6 Mar 09 2017 09:58:44 %S A283464 1,1,1,2,1,3,1,5,3,4,1,8,1,6,5,14,1,13,1,11,7,7,1,23,5,9,17,17,1,18,1, %T A283464 41,9,10,7,38,1,12,11,32,1,28,1,20,23,15,1,68,7,25,13,26,1,63,11,50, %U A283464 15,16,1,53,1,19,37,122,13,33,1,29,19,39,1,113,1,21,33,35,11,43,1,95,83,22,1,83,17,24,21,59,1,88,13,44,25,27,19,203 %N A283464 a(n) = A032742(A266646(n)). %H A283464 Antti Karttunen, <a href="/A283464/b283464.txt">Table of n, a(n) for n = 1..2047</a> %F A283464 a(n) = A032742(A266646(n)). %F A283464 a(n) = A266646(n) / A020639(n). [Because A266646 preserves the smallest prime factor of n.] %o A283464 (Scheme) (define (A283464 n) (A032742 (A266646 n))) %Y A283464 Cf. A020639, A032742, A266646, A280497, A280498, A283463, A283466. %K A283464 nonn %O A283464 1,4 %A A283464 _Antti Karttunen_, Mar 08 2017